REVERSE CONFIRGURATION (flat lip) allows for a larger exposed wheel disc as well as a deeper looking lip in comparison to a step lip. STANDARD ITALIAN MADE chrome-plated, high strength 12pt hardware. STANDARD Backpad Pocketing. STANDARD Spoke Beam Contouring. AEROSPACE GRADE 6061-T6 forged aluminum for optimun strength-to-weight-ratio. PRECISION CNC production to your specifications for any custom application. OE TPMS and mounting hardware compatible. ENDLESS FINISHING OPTIONS available in polished and custom powdercoated options, customize your F231 to achieve the specific look you are envisioning.